Nuline Idler/Tensioner Pulley EP343 Elastic Strong internal components such as

Strong internal components such as springs and element assemblies

That's small when compared to the human hair which is approximately 90 micron

Special design thermostat with inverse jiggle pin integrated into housing

Dayco Hose Pack DHP228 contains the following hoses:

Teeth: 220

Nuline Idler/Tensioner Pulley EP343 Elastic Strong internal components such asAll engine pulleys incorporate ball bearings that run at very high revolutions relative to engine speed. Increasing belt load and exposure to dirt or moisture accelerate bearing wear. All ball bearings used in Nuline Idler Tensioner Pulleys are from OEM manufacturers and feature C3 rated high speed races, high temperature lubricant and heavy duty silicone seals for maximum service life at high revolutions. Part No.: EP343 Type: Flat Steel ID: 17mm OD: